{"cve":"CVE-2023-52606","nvd":{"published":"2024-03-06T07:15:11.750","modified":"2026-08-04T10:18:34.270","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/lib: Validate size for vector operations\n\nSome of the fp/vmx code in sstep.c assume a certain maximum size for the\ninstructions being emulated. The size of those operations however is\ndetermined separately in analyse_instr().\n\nAdd a check to validate the assumption on the maximum size of the\noperations, so as to prevent any unintended kernel stack corruption.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-770"],"references":["https://git.kernel.org/stable/c/0580f4403ad33f379eef865c2a6fe94de37febdf","https://git.kernel.org/stable/c/28b8ba8eebf26f66d9f2df4ba550b6b3b136082c","https://git.kernel.org/stable/c/42084a428a139f1a429f597d44621e3a18f3e414","https://git.kernel.org/stable/c/848e1d7fd710900397e1d0e7584680c1c04e3afd","https://git.kernel.org/stable/c/8f9abaa6d7de0a70fc68acaedce290c1f96e2e59"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:46:54.846886191+00:00"},"epss":{"cve":"CVE-2023-52606","score":0.00245,"percentile":0.15748,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}